COSMOS EXPLORATION LIMITED — Proxy Solicitation & Information Statement 2026

Apr 8, 2026

9 April 2026

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Dear Shareholder

GENERAL MEETING OF SHAREHOLDERS AND ELECTRONIC COMMUNICATIONS

Cosmos Exploration Limited (the Company ) ( ASX:C1X ) is convening a General Meeting of Shareholders ( GM ) on Monday, 11 May 2026, at 11:00 am (WST). If you would like to attend and participate in the GM, it will be held at Suite 1, 295 Rokeby Road, Subiaco, WA 6008. If the above arrangements with respect to the GM change, shareholders will be updated via the ASX Market Announcements Platform as well as the Company’s website at www.cosmosx.com.au.

To assist the Company, shareholders who wish to attend the Meeting in person should register their attendance with the Company at info@cosmosx.com.au by no later than 5:00 pm (WST) on 9 May 2026.

Notice of Meeting

In accordance with the Corporations Act 2001 (Cth), the Company will not be dispatching physical copies of the Notice of Meeting and accompanying explanatory memorandum (unless a shareholder has made a valid election to receive documents in hard copy) ( Notice ). Instead, copies of the Notice are available for viewing and download at www.cosmosx.com.au/asx-announcements and the ASX market announcements page under the Company’s code “C1X”.

Shareholders who have nominated an email address and have elected to receive electronic communications from the Company, will also receive an email to their nominated email address with a link to an electronic copy of the Notice. Shareholders who have not elected to receive communications by email with the Company’s share registry will receive a copy of this letter and a personalised proxy form by post.

Voting

Shareholders are encouraged to participate by voting on the resolutions to be considered at the GM. To vote by proxy, please complete, sign and return your personalised proxy form in accordance with the instructions set out in the proxy form. Alternatively, you may vote online at https://investor.xcend.app/sha, or in person by attending the GM.

Proxy form instructions (by proxy form or online voting) must be received by the Company’s share registry by no later than 11:00 am (WST) on Saturday, 9 May 2026, being 48 hours before the commencement of the GM. Instructions received after that time will not be valid for the GM.

The Notice should be read in its entirety. If shareholders are in doubt as to how they should vote, they should seek advice from their professional advisers prior to voting.

The Company encourages all shareholders to vote prior to the GM by returning their proxy voting instructions before the deadline and advises that all voting in respect of resolutions considered at the GM will be conducted on a poll.

Electronic communications

The Company encourages all shareholders to communicate with the Company by email at info@cosmosx.com.au and with XCEND Pty Ltd (the Company’s share registry) by emailing meetings@xcend.co. These methods allow the Company to keep you informed without delay, are environmentally friendly, and reduce the Company’s print and mail costs.

Please register to receive electronic communications and update your shareholder details online at https://investor.xcend.app or email XCEND Share Registry at support@xcend.co.

Robbie Featherby Joint Company Secretary

Cosmos Exploration Ltd ACN 648 890 126 Level 1, 1 Alvan Street Subiaco WA 6008 Telephone: +61 (0)8 6143 6720